Polyester Blend GALLERY STYLE 4x6 PICTURE FRAME: Luna is a multi picture frame and photo collage frame that makes it easy for you to instantly create a custom photo collage showcasing 9 individual 4 x 6 inch photos DISPLAY PHOTOS, ARTWORK, ILLUSTRATIONS & MORE: Use Luna to showcase 9 of your favorite 4x6 photos in a single picture frame - or get creative and combine pictures, graphic text, illustrations, drawings, sketches, and other unique art for a one-of-a-kind, DIY collage photo frame WALL ART & PHOTO DISPLAY: Luna measures 23 x 23 x 2 ½ inches and doubles as both a unique photo display and wall art. The simple yet elegant polypropylene frame makes it easy to swap out photos and the pre-mounted sawtooth hangers make it easy to hang QUICK & EASY TO SET UP: To ensure your Luna picture frame collage is perfectly aligned, simply place your photos, artwork, illustrations over the included face paper (using it as a layout guide) then secure in place with a small piece of clear tape MODERN ORIGINAL DESIGN FOR EVERY HOME: From reimagining the functionality of home essentials to creating innovative new decor, Umbra products add personality to your home. Don’t settle for copy-cat products. Choose Umbra and get the original.